diff --git a/build.sbt b/build.sbt
index 5838447..d8a31dd 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 val Organization = "io.github.gitbucket"
 val Name = "gitbucket"
-val GitBucketVersion = "4.12.0"
+val GitBucketVersion = "4.12.1"
 val ScalatraVersion = "2.5.0"
 val JettyVersion = "9.4.4.v20170414"
 
@@ -33,7 +33,7 @@
   "org.apache.commons"              %  "commons-compress"             % "1.13",
   "org.apache.commons"              %  "commons-email"                % "1.4",
   "org.apache.httpcomponents"       %  "httpclient"                   % "4.5.3",
-  "org.apache.sshd"                 %  "apache-sshd"                  % "1.4.0",
+  "org.apache.sshd"                 %  "apache-sshd"                  % "1.4.0" exclude("org.slf4j","slf4j-jdk14"),
   "org.apache.tika"                 %  "tika-core"                    % "1.14",
   "com.github.takezoe"              %% "blocking-slick-32"            % "0.0.8",
   "joda-time"                       %  "joda-time"                    % "2.9.9",
diff --git a/src/main/scala/gitbucket/core/GitBucketCoreModule.scala b/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
index b33a909..46fef2e 100644
--- a/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
+++ b/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
@@ -32,5 +32,6 @@
   new Version("4.11.0",
     new LiquibaseMigration("update/gitbucket-core_4.11.xml")
   ),
-  new Version("4.12.0")
+  new Version("4.12.0"),
+  new Version("4.12.1")
 )
diff --git a/src/main/scala/gitbucket/core/controller/ControllerBase.scala b/src/main/scala/gitbucket/core/controller/ControllerBase.scala
index de80f97..d79d86d 100644
--- a/src/main/scala/gitbucket/core/controller/ControllerBase.scala
+++ b/src/main/scala/gitbucket/core/controller/ControllerBase.scala
@@ -147,6 +147,13 @@
       }
     }
 
+  override def url(path: String, params: Iterable[(String, Any)] = Iterable.empty,
+                   includeContextPath: Boolean = true, includeServletPath: Boolean = true,
+                   absolutize: Boolean = true, withSessionId: Boolean = true)
+                  (implicit request: HttpServletRequest, response: HttpServletResponse): String =
+    if (path.startsWith("http")) path
+    else baseUrl + super.url(path, params, false, false, false)
+
   /**
    * Extends scalatra-form's trim rule to eliminate CR and LF.
    */
diff --git a/src/main/twirl/gitbucket/core/helper/preview.scala.html b/src/main/twirl/gitbucket/core/helper/preview.scala.html
index 473dcd2..4ec4b09 100644
--- a/src/main/twirl/gitbucket/core/helper/preview.scala.html
+++ b/src/main/twirl/gitbucket/core/helper/preview.scala.html
@@ -44,6 +44,7 @@
 $(function(){
   @if(elastic){
     $('#content@uid').elastic();
+    $('#content@uid').trigger('blur');
   }
 
   $('#preview@uid').click(function(){